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CIRCULAR XO. 120, BUREAU OF PJ.AXT INDUSTRY. 

 VARIETY TEST OF COTTON.' 



A variety test of cotton was conducted with seven varieties and 

 five selections of Triumph. Sixteen-rod rows of each variety were 

 planted in triplicate. Table IV gives the results of the test. 



Table IV. 



-Vielcls obtained in a variety test of cotton at the San Antonio 

 Experiment Fodh. 1912. 



1 Percentage of .stand determined from an actual coimt of the plants in each row. 



- Lint very short. 



3 Lint but little better than Triumph. 



As is shown, the Vergatus gave the highest yield, but the lint was 

 very short, making it an undesirable variety. 



GRAIN SORGHUMS. 



The experiments in grain sorghums reported on last year - were 

 continued. Both variety and time-of-planting tests were made. 

 Table V gives the average yields of the varieties for three plantings. 



Table V. — Yields obtained in a variety test of grain sorghum at the San 



Antonio Experiment Farm in 1912. 



The sorghum midge did not appear this season until somewhat 

 later than in previous years, so with the earlier maturing varieties, 



1 The variety te.st hero reported is additional to an extensive series of experiments with 

 cotton conducted by the Office of Acclimatization and Adaptation of Crop Plants and 

 Cotton-Breeding: Investigations, the results of which will be reported elsewhere. 



-' T'. S. Department of AKi'iculture, Bureau of Plant Industry, Bulletin 237, entitled 

 " Grain-sorghum production in the San Antonio region of Texas." 



[Cir. 120] 



